Gitzo Gimbal Fluid HeadThe Gitzo Gimbal Fluid Head is an ideal place to mount your spotting scope for birdwatching and wildlife photography. With a safety payload weight of 17. 64 lbs, you'll struggle to find a scope or large camera lens that this head can't support! It incorporates fluid cartridge technology to absorb external vibrations and provide smoother movement over the full 360 rotational field. The Whip Pan system ensures this smoothness is maintained for both fast